Geography
The river flows in the southeastern area of Java with predominantly tropical monsoon climate (designated as ''Am'' in the Köppen–Geiger climate classification). The annual average temperature in the area is 24 °C. The warmest month is October, when the average temperature is around 26 °C, and the coldest is July, at 22 °C. The average annual rainfall is 2160 mm. The wettest month is January, with an average of 475 mm rainfall, and the driest is August, with 31 mm rainfall.See also
* List of drainage basins of Indonesia * List of rivers of Indonesia * List of rivers of JavaReferences
{{Rivers of Java Rivers of East Java Drainage basins of Java